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1620s (implied in erotical), from French érotique (16c.), from Greek erotikos "caused by passionate love, referring to love," from eros (genitive erotos) "sexual love" (see Eros).
erotic e·rot·ic (ĭ-rŏt'ĭk)adj.
Of or concerning sexual love and desire.
Tending to arouse sexual desire.
Dominated by sexual love or desire.